NRB Wrist Pin Needle Bearings 18x23x21.8 for Polaris Big Boss (1989–1992)
Includes: - NRB Wrist Pin Needle Bearings 18x23x21.8
Fits Models: - Polaris Big Boss
Model Years: - 1989–1992
Submodels: - Common trims include Big Boss 6x6; chassis code may vary by year; body style is utility ATV.
Engine Options: - Compatible with standard engine options, typically 400cc 2-stroke engines.
Description: These NRB wrist pin needle bearings are designed specifically for the Polaris Big Boss models from 1989 to 1992. They ensure smooth operation of the engine's wrist pin, providing durability and reliability for your ATV.
Features: - Precision-engineered for optimal performance - Direct fit for Polaris Big Boss models - High-quality materials for longevity - Reduces friction and wear on engine components - Easy installation for maintenance enthusiasts